• Today

    Dec 18

    54°Lo 46°

    A passing shower this morning

    Good for biking
    • Precip
      50%
    • Hours of Precip
      0.5
    • Wind
      Gust
      8 mph
    more
  • Fri

    Dec 19

    54°Lo 42°

    A little rain in the morning

    Fair for biking
    • Precip
      66%
    • Hours of Precip
      2
    • Wind
      Gust
      6 mph
    more
  • Sat

    Dec 20

    54°Lo 45°

    Mostly cloudy, afternoon rain

    Very Good for biking
    • Precip
      65%
    • Hours of Precip
      1.5
    • Wind
      Gust
      6 mph
  • Sun

    Dec 21

    60°Lo 44°

    Low clouds

    Excellent for biking
    • Precip
      12%
    • Hours of Precip
      0
    • Wind
      Gust
      6 mph
    more
  • Mon

    Dec 22

    63°Lo 42°

    Mostly sunny

    Excellent for biking
    • Precip
      6%
    • Hours of Precip
      0
    • Wind
      Gust
      5 mph
    more
Next Previous
Rain and drizzle 49° Lo 48° RealFeel® 48° / 47°

N

E

S

W

  • Precipitation: 61%
  • Rain: 0.09 in
  • Snow: 0 in
  • Humidity: 93%
  • Cloud Cover: 99%
  • Dew Point: 46° F
  • Visibility: 7 mi
4 mph

Temperature History - Dec 20

more Historical Weather Data >
  Today Normal Record 12/20/2013
High 54° 53° N/A 61°
Low 45° 32° N/A 30°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:26 AM with 9:25 of sunlight, then sets at 4:51 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:48 AM with 10:19 of moolight, then sets at 4:07 PM

Lucerne Weather Report

San Francisco: Dry Weather Ahead for the Weekend

December 18, 2014; 11:04 AM ET

Conditions will turn dry for San Francisco this weekend and last into next week. more >

Is Your Outdoor Gear Waterproof?

Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.